Walter Pidgeon

Captain Alan Thorndike

Joan Bennett

Jerry Stokes

George Sanders

Major Quive-Smith

John Carradine

Mr. Jones

Roddy McDowall

Vaner

Ludwig Stössel

Doctor

Heather Thatcher

Lady Alice Risborough

Frederick Worlock

Lord Gerald Risborough

Roger Imhof

Captain Jensen

Holmes Herbert

Saul Farnsworthy

Egon Brecher

Jeweler

Eily Malyon

Postmistress

Herbert Evans

Reeves (uncredited)

Ted Billings

Sven Hugo Borg

Cyril Delevanti

Cab Driver (uncredited)

Richard Fraser

Douglas Gerrard

William Haade

Olaf Hytten

Piel - Saul's Law Clerk (uncredited)

Kurt Kreuger

German Attaché (uncredited)

Bruce Lester

Adolf E. Licho

Lester Matthews

Major (uncredited)

Adolph Milar

Lucien Prival

Otto Reichow

Frederick Vogeding

Wilhelm von Brincken